Abstract Studies have been conducted on the effect of overstressing in rotary bending fatigue on the fatigue properties of an annealed and austempered ductile iron containing 1.5 Ni–0.3 Mo. For various R ratios S–N curves were determined and the fatigue limit estimated. It was found that the fatigue limit was a function of the level of overstressing and cycle ratio. In the case of austempered samples a beneficial effect of overstressing was observed at a certain level of overstressing. This was related to the work hardening behaviour of the austenite phase. In annealed samples, a reduction in the fatigue limit was observed at all levels of overstressing. Copyright © 1995, Wiley Blackwell. All rights reserved

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dc.contributor.authorPrasad Rao, P.
dc.contributor.authorPadmaprabha
dc.date.accessioned2026-02-05T11:00:36Z
dc.date.issuedEFFECT OF OVERSTRESSING ON FATIGUE BEHAVIOUR OF AUSTEMPERED DUCTILE IRON
dc.description.abstract1995
dc.identifier.citationFatigue and Fracture of Engineering Materials and Structures, 1995, 18, 6, pp. 693-697
dc.identifier.issn8756758X
dc.identifier.urihttps://doi.org/10.1111/j.1460-2695.1995.tb00893.x
dc.identifier.urihttps://idr.nitk.ac.in/handle/123456789/28073
dc.subjectAnnealing
dc.subjectAustenite
dc.subjectBending (deformation)
dc.subjectComposition
dc.subjectEstimation
dc.subjectFatigue testing
dc.subjectIron
dc.subjectMechanical properties
dc.subjectMolybdenum
dc.subjectNickel
dc.subjectStrain hardening
dc.subjectStresses
dc.subjectAustempered ductile iron
dc.subjectCycle ratio
dc.subjectFatigue limit
dc.subjectOverstressing effect
dc.subjectRotary bending fatigue
dc.subjectFatigue of materials
dc.titleAbstract Studies have been conducted on the effect of overstressing in rotary bending fatigue on the fatigue properties of an annealed and austempered ductile iron containing 1.5 Ni–0.3 Mo. For various R ratios S–N curves were determined and the fatigue limit estimated. It was found that the fatigue limit was a function of the level of overstressing and cycle ratio. In the case of austempered samples a beneficial effect of overstressing was observed at a certain level of overstressing. This was related to the work hardening behaviour of the austenite phase. In annealed samples, a reduction in the fatigue limit was observed at all levels of overstressing. Copyright © 1995, Wiley Blackwell. All rights reserved

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